tidyverse/vroom

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Fast reading of delimited files

Stars: 642
Forks: 71
Open beginner issues: 0
Indexed issues: 63

Dominant language: C++
License: No license data
Last GitHub push: Jun 9, 2026
Latest indexed: Sep 21, 2026
Contributing guide: No contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

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63 open issues indexed

problems() reports the wrong file for lazy subsets of multi-file reads Open

Difficulty 1/5 Under an hour Newbie friendliness 90/100

tidyverse/vroom#642 · Opened Sep 4, 2026
spurious embedded-null problem when the UTF-8 form is shorter than the source bytes Open

Difficulty 4/5 3-5 days Newbie friendliness 55/100

tidyverse/vroom#641 · Opened Sep 4, 2026
invalid bytes for the locale encoding crash the R session Open

Difficulty 4/5 3-5 days Newbie friendliness 52/100

tidyverse/vroom#640 · Opened Sep 4, 2026
vroom_format() calls ALTREP string methods from worker threads Open

Difficulty 2/5 1-3 hours Newbie friendliness 86/100

tidyverse/vroom#639 · Opened Sep 4, 2026
Data race in vroom_write due to Rf_translateCharUTF8 in worker thread Open

Difficulty 4/5 3-5 days Newbie friendliness 48/100

tidyverse/vroom#637 · Opened Jun 30, 2026
Segfault with unmatched quote, if there are no column names Open

bug robustness 🏋️‍♀️

Difficulty 3/5 1-2 days Newbie friendliness 58/100

tidyverse/vroom#636 · 1 comment · Opened Jun 10, 2026
vroom_fwf() incorrectly parses fixed-width files with multi-byte UTF-8 characters Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

tidyverse/vroom#622 · Opened May 11, 2026
Non-ascii in AsIs paths Open

Difficulty 2/5 1-3 hours Newbie friendliness 72/100

tidyverse/vroom#618 · Opened Apr 17, 2026
Comment/token handling fails at connection chunk boundaries Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tidyverse/vroom#608 · Opened Jan 22, 2026
`vroom_lines()` warns about problems but `problems()` doesn't work on its output Open

robustness 🏋️‍♀️

Difficulty 3/5 1-2 days Newbie friendliness 48/100

tidyverse/vroom#607 · Opened Jan 21, 2026
Level up the passing of the caller environment across R <--> C++ boundary Open

upkeep

Difficulty 5/5 Over a week Newbie friendliness 25/100

tidyverse/vroom#601 · 1 comment · Opened Jan 14, 2026
mention vroom as the parsing engine in readr (in the readme) Open

documentation

Difficulty 1/5 Under an hour Newbie friendliness 65/100

tidyverse/vroom#585 · 1 comment · Opened Dec 8, 2025
Progress problems Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

tidyverse/vroom#583 · 2 comments · Opened Dec 6, 2025
Use `cli::cli_abort()` from vroom's C++ code Open

upkeep

Difficulty 2/5 1-3 hours Newbie friendliness 52/100

tidyverse/vroom#577 · 1 comment · Opened Dec 3, 2025
Why does vroom not implement `[.spec_tbl_df`? Open

colspec 📁 readr 📖

Difficulty 3/5 1-2 days Newbie friendliness 42/100

tidyverse/vroom#569 · Opened Nov 26, 2025
Refresh and generally rationalize the benchmarking study and vignette Open

upkeep

Difficulty 4/5 3-5 days Newbie friendliness 30/100

tidyverse/vroom#564 · Opened Nov 21, 2025
Lines read and skip lines use different evaluation in vroom_lines Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

tidyverse/vroom#549 · Opened Mar 2, 2025
Spurious progress message from vroom_write_connection_() Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

tidyverse/vroom#546 · Opened Jan 15, 2025
vroom_lines unable to ignore quoted newlines in ISO-8859-1 csv Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tidyverse/vroom#542 · Opened Jul 19, 2024
Output of vroom::vroom does not display properly in Quarto HTML Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

tidyverse/vroom#537 · 5 comments · Opened Apr 28, 2024
`id` option allows duplicate column names, ignores `.name_repair` Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

tidyverse/vroom#536 · Opened Apr 14, 2024
Feature request: Column-level na values via collectors Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tidyverse/vroom#532 · 1 reaction · Opened Mar 25, 2024
Feature request: Add an option for linear-TSV-style writing/reading Open

Difficulty 4/5 3-5 days Newbie friendliness 40/100

tidyverse/vroom#529 · Opened Feb 15, 2024
Altrep always used for "id" column, slowing down processing of column massively Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

tidyverse/vroom#528 · Opened Dec 21, 2023
Vroom ignores col_names when dealing with imperfect data Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tidyverse/vroom#522 · Opened Nov 13, 2023
cryptic error messages when col_select has no valid columns Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

tidyverse/vroom#521 · 1 comment · Opened Nov 12, 2023
`vroom_fwf` not reading the first line? Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tidyverse/vroom#503 · 2 comments · 2 reactions · Opened Jul 25, 2023
skip _empty_rows = TRUE fails in vroom_fwf Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

tidyverse/vroom#501 · 1 comment · Opened Jun 23, 2023
Guess big integers? Open

colspec 📁 feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

tidyverse/vroom#500 · Opened Jun 19, 2023
Consider adding `col_raw` Open

colspec 📁 feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tidyverse/vroom#492 · 1 comment · Opened Apr 7, 2023
consider using fast_float for string => double conversions? Open

colspec 📁 feature performance :rocket:

Difficulty 5/5 Over a week Newbie friendliness 25/100

tidyverse/vroom#489 · 1 comment · Opened Mar 2, 2023
vroom fails to detect delimiter if data is quoted with double quote or only contains one column Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tidyverse/vroom#486 · Opened Jan 27, 2023
vroom fails to guess delimiter in trivial cases Open

feature

Difficulty 3/5 1-2 days Newbie friendliness 45/100

tidyverse/vroom#474 · 1 comment · 3 reactions · Opened Oct 21, 2022
Datetime parsing randomly (but rarely) fails when using multiple threads and latin1 encoding Open

bug datetime 📆 encoding �

Difficulty 4/5 3-5 days Newbie friendliness 42/100

tidyverse/vroom#473 · 1 comment · Opened Oct 12, 2022
Add fig.alt to benchmarking vignette Open

documentation

Difficulty 1/5 Under an hour Newbie friendliness 65/100

tidyverse/vroom#471 · Opened Oct 11, 2022
no tempfile cleanup when reading compressed files Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tidyverse/vroom#466 · 3 comments · Opened Sep 22, 2022
leading zeroes in writing years before 1000 Open

bug datetime 📆

Difficulty 3/5 1-2 days Newbie friendliness 45/100

tidyverse/vroom#462 · 11 comments · Opened Aug 26, 2022
Parsing in-memory data is slow Open

feature performance :rocket:

Difficulty 5/5 Over a week Newbie friendliness 25/100

tidyverse/vroom#460 · Opened Aug 22, 2022
Switch to `tidyselect::eval_select()` Open

colspec 📁

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

tidyverse/vroom#459 · 1 comment · 1 reaction · Opened Aug 18, 2022
Multi-file inputs to `vroom_fwf()` has incorrect output when one file is empty Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

tidyverse/vroom#433 · Opened May 3, 2022
Fractional seconds, col_datetime/col_time differences and %AT Open

datetime 📆

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tidyverse/vroom#422 · Opened Mar 25, 2022
Problems encoding days and months in UTF-8 Open

bug encoding �

tidyverse/vroom#414 · 2 comments · 7 reactions · 1 assignee · Opened Mar 8, 2022
Automatically recycle col_types argument when it is just a single character Open

col_types feature

tidyverse/vroom#424 · 1 assignee · Opened Feb 22, 2022
Scrutinize how "Files must end with a newline" is being emitted Open

feature

tidyverse/vroom#404 · 1 assignee · Opened Feb 8, 2022
Extraneous whitespace complicates parsing in the presence of quoted fields Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

tidyverse/vroom#397 · 2 comments · Opened Jan 26, 2022
`vroom_write()` should error on list-cols, df-cols, and matrix-cols Open

feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tidyverse/vroom#391 · 2 comments · Opened Dec 13, 2021
Possibly don't need to use connections with files that don't end with newlines Open

feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

tidyverse/vroom#357 · Opened Jul 14, 2021
vroom 1.4.0 does not consider locale in guessing delimiters Open

feature

tidyverse/vroom#339 · 1 reaction · 1 assignee · Opened May 28, 2021
line number in problems not correct after commented rows. Open

feature readr 📖

tidyverse/vroom#295 · 1 comment · 1 assignee · Opened Jan 26, 2021
Create multiple columns of the same type Open

colspec 📁 feature

Difficulty 5/5 Over a week Newbie friendliness 32/100

tidyverse/vroom#276 · 1 comment · Opened Oct 26, 2020

tidyverse/vroom

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